Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge
Mishimoto 1989–1993 5.9L Cummins High-Temperature Thermostat for Dodge

Mishimoto 79°C Low-Temperature Thermostat - Dodge 5.9L 12v Cummins 1989-1993

Mishimoto SKU: MISMMTS-RAM-89L
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Mishimoto low-temperature thermostat for the 1989-1993 first-gen Dodge D250 / D350 / W250 / W350 5.9L 12-valve Cummins diesel. Its lower 174°F activation (vs. the 180°F factory unit) lets coolant flow through the radiator earlier to maintain lower temperatures — ideal for warm climates or extreme towing. Includes a replacement gasket, backed by the Mishimoto Lifetime Warranty.

Specifications

Type Low-temperature thermostat
Activation Temp 79°C / 174°F (vs. 180°F stock)
Engine 5.9L 12-valve Cummins diesel
Includes Replacement gasket
Application 1989-1993 Dodge D/W250-350 5.9L Cummins

This part fits:

Year Make Model Submodel
1989-1993 Dodge D250 Base
1989-1993 Dodge D350 Base
1989-1993 Dodge W250 Base
1989-1993 Dodge W350 Base
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